The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-502-9544, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Amphenol Corporation Dba Amphenol Aerospace Industrial Div Amphenol Aerospace/pyle National. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-502-9544 |
| Primary Part Number | BF-7208-10E |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Amphenol Corporation Dba Amphenol Aerospace Industrial Div Amphenol Aerospace/pyle National |
| Status | ACTIVE |
| Width Across Flats | 0.795 INCHES MINIMUM AND 0.829 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series | UN |
| Hole Configuration Style | CONFIGURATION B |
| Material Document and Classification | AMS-5640, TYPE 303 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.625 INCHES IN |
| Nut Height | 0.108 INCHES MINIMUM AND 0.142 INCHES MAXIMUM IN |
| Drilled Hole Diameter | 0.042 INCHES MINIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Countersink Angle | 150.0 DEGREES NOMINAL BOTH ENDS |
| Nut Style | HEXAGON |
| Thread Class | 2B |
| Thread Quantity Per Inch | 20 |
| Material | STEEL COMP 303 OVERALL |
| Bearing Surface Type | CHAMFERED |
| Hole Type and Quantity | 3 DRILLED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| BF-7208-10E PRIMARY | Amphenol Corporation Dba Amphenol Aerospace Industrial Div Amphenol Aerospace/pyle National (USA) |
| 1753M36P01 | General Electric Company (USA) |
| Reference | Meaning |
|---|---|
| MS3186S-105P | 5/9 Secondary reference U.S. Government activity |
| 1753M36 | D/9 Drawing number reference only General Electric Company |
NSN 5310-01-502-9544 is a Nut,plain,hexagon, manufactured by Amphenol Corporation Dba Amphenol Aerospace Industrial Div Amphenol Aerospace/pyle National, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-502-9544 has 2 manufacturer part numbers on file: BF-7208-10E (Amphenol Corporation Dba Amphenol Aerospace Industrial Div Amphenol Aerospace/pyle National), 1753M36P01 (General Electric Company).
Key specifications for BF-7208-10E: Width Across Flats: 0.795 INCHES MINIMUM AND 0.829 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Series: UN; Hole Configuration Style: CONFIGURATION B. 17 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.